The number for today’s Friday Factoid is eleven. If this is your lucky number, date of birth or if you are just interested in random facts, now is your chance to find out some things you probably didn’t know about the number eleven.

Enjoy!

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The Number Eleven 11

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In religion

The word “apple” is cited 11 times in the Bible, all in the Old Testament.

Moses was instructed to make curtains of goats’ hair to be a covering upon the tabernacle: “eleven curtains shalt thou make.” ( Exodus 26.7)

11 apostles remained with Jesus after the treason and suicide of Apostle Judas:

After Judas Iscariot was disgraced, the remaining apostles of Jesus were sometimes described as “the Eleven”; this occurred even after Matthias was added to bring the number to 12, as in Acts 2:14.

Jesus’ parable of the vineyard laborers: And about the eleventh hour he went out, and found others standing idle, and says unto them, Why stand you here all the day idle? (Matthew 20.6)

11th Book of Enoch describes the Messianic Kingdom.

11th Station of the Cross: Crucifixion of Jesus (14 Stations of the Cross, Via Dolorosa)

11 is a spiritually significant number in Thelema.

In mathematics

If a number is divisible by 11, reversing its digits will result in another multiple of 11.

As long as no two adjacent digits of a number added together exceed 9, then multiplying the number by 11, reversing the digits of the product, and dividing that new number by 11, will yield a number that is the reverse of the original number. (For example: 142,312 x 11 = 1,565,432. 2,345,651 / 11 = 213,241.)

Computers of the PDP-11 series from Digital Equipment Corporation were informally referred to as “elevens”.

cpu room with DEC PDP-11

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In science

11 is the atomic number of sodium.

11 is the Atomic Weight of Boron, a black and semi-metallic element, chemically closer to silicon than to aluminium.

In modern string theory physics, 11 dimensions are proposed to exist in the universe.

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In space

Apollo 11 was the first manned spacecraft to land on the Moon.

The approximate periodicity of a sunspot cycle is 11 years.

Messier object M11, a magnitude 7.0 open cluster in the constellation Scutum, also known as the Wild Duck Cluster.

Messier object M11 – Wild Duck Cluster

The New General Catalogue object NGC 11, a spiral galaxy in the constellation Andromeda

The 11th moon of Jupiter is Himalia.

Himalia, the 11th Moon of Jupiter

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In politics

11th State to enter the Union is New York (July 26, 1788)

The 11th President of the United States is James Polk (1795-1849) who served (1845-1849).

James Polk 11th President of the United States of America

Polk was on the 11¢ stamp issued on September 8, 1938 in the Presidential Series.

11¢ stamps of the United States have also featured Presidents, Benjamin Franklin (issued Aug. 9, 1915) and Rutherford B. Hayes (issued Oct. 4, 1922)

11 cent stamps, Franklin, Polk, Hayes

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In Canada

The stylized maple leaf on the Flag of Canada has 11 points.

The Canadian one-dollar coin is a hendecagon, an 11-sided polygon.

Canadian one-dollar coin

Clocks depicted on Canadian currency, for example the Canadian fifty-dollar bill, show 11:00.

Canadian fifty-dollar bill showing clock

Eleven denominations of Canadian currency are produced in large quantities.

Due to Canada’s federal nature, eleven legally distinct Crowns effectively exist in the country, with the Monarch being represented separately in each province, as well as at the federal level.

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In sport

There are 11 players on a soccer team on the field at a time as well as in a cricket team.

Also in soccer, a penalty kick is referred to as “Elfmeter” because the penalty spot is approximately 11m (precisely 12 yards) from the goal line.

Historically, in the Pyramid formation that position names are taken from, a left wing-forward in football wears number 11. In the modern game, especially using the 4-4-2 formation, it is worn by a left-sided midfielder. Less commonly a striker will wear the shirt.

There are 11 players in a field hockey team. The player wearing 11 will usually play on the left-hand side, as in soccer.

An American football team also has 11 players on the field at one time during play. 11 is also worn by quarterbacks, kickers, punter and wide receivers in American football’s NFL.

In rugby union, the starting left wing wears the 11 shirt.

In cricket, the 11th batsman is usually the weakest batsman, at the end of the tail. He is primarily in the team for his bowling abilities.

The jersey number 11 has been retired by several North American sports teams in honor of past playing greats or other key figures:

In Major League Baseball: the Chicago White Sox, for Hall of Famer Luis Aparicio ( 2010 and 2011, Aparicio allowed fellow Venezuelan Omar Vizquel to wear the number); the Cincinnati Reds, for Hall of Famer Barry Larkin; the Detroit Tigers, for Hall of Fame manager Sparky Anderson; the Los Angeles Angels of Anaheim, for Jim Fregosi (who played for the team in its former incarnations as the Los Angeles Angels and California Angels, and also managed the California Angels); the Pittsburgh Pirates, for Hall of Famer Paul Waner; the San Francisco Giants, for Hall of Famer Carl Hubbell (honoring the number’s retirement when the team was known as the New York Giants); the Seattle Mariners have yet to retire any numbers, but have not issued #11 since the retirement of Edgar Martínez at the end of the 2004 season.

Baseball Hall of Fame Cincinnati Reds

In the NBA: the Detroit Pistons, for Hall of Famer Isiah Thomas; the Sacramento Kings, for Hall of Famer Bob Davies (honoring the number’s retirement when the team was known as the Rochester Royals); the Washington Wizards, for Hall of Famer Elvin Hayes (who played for the team in its past incarnations as the Baltimore, Capital, and Washington Bullets);

Elvin Hayes

In the NFL: the New York Giants, for Phil Simms.

In the NHL: the Buffalo Sabres, for Hall of Famer Gilbert Perreault; the Edmonton Oilers and New York Rangers, for Hall of Famer Mark Messier; the St. Louis Blues, for Brian Sutter; the Washington Capitals, for Hall of Famer Mike Gartner.

Oilers and New York Rangers, for Hall of Famer Mark Messier

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In militaria

World War I ended with an Armistice on November 11, 1918, which went into effect at 11:00 am, the 11th hour on the 11th day of the 11th month of the year. Armistice Day is still observed on November 11 of each year, although it is now called Veterans Day in the United States and Remembrance Day in the Commonwealth of Nations and parts of Europe.

11 is the number of guns in a gun salute to U.S. Army, Air Force and Marine Corps Brigadier Generals, and to Navy and Coast Guard Rear Admirals Lower Half.

11 is the number of General Orders for Sentries in the Marine Corps and United States Navy.

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USN F11F Tiger

The Grumman F11F/F-11 Tiger was a single-seat carrier-based United States Navy fighter aircraft in operation during the 1950s and 1960s. Originally designated the F11F Tiger in April 1955 under the pre-1962 Navy designation system, it was redesignated as F-11 Tiger under the 1962 United States Tri-Service aircraft designation system.

The F11F/F-11 was used by the Blue Angels flight team from 1957 to 1969. Grumman Aircraft Corporation made about 200 Tigers, with last delivered 23 January 1

The Grumman F11F/F-11 Tiger

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J-11 Chinese Light Fighter Aircraft

The J-11 designation was originally applied in the design Shenyang Aircraft Factory in response to a 1968 requirement for a replacement PLAAF J-6 (MiG-19 Farmer). Shenyang’s proposal was triggered by a British Spey 512 afterburning turbofan engine and followed a conventional light fighter design, with wings swept back and side of the fuselage assembly entries.

The J-11 was a sophisticated design for its time, but the British Spey-512 engines proved “difficult” for Communist China to obtain at that time. Shenyang factory was ordered to concentrate their energies in the J-8, and J-11 never went beyond the planning stage.

J-11 Chinese Light Fighter Aircraft

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The B-11 Gun

The B-11 gun is designed by the Design Bureau under guidance of B.I. Shavyrin. Its barrel consists of a smooth-bore tube, chamber, breech and breech mechanism. It is fixed on a tripod mount consisting of frame and boom. In firing position, the gun rests on the tripod mount and the wheels are elevated above ground level. The gun is transported by means of a prime-mover.

The gun can be transported in a truck body together with crew and ammo load. The gun can be also dropped by parachute.

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Colt 1911

Designed by John Browning, the M1911 Colt is arguably the most well known pistol in the world. It is a single-action, semi-automatic, magazine-fed, recoil-operated handgun chambered for the .45 ACP cartridge. It served as the standard-issue side arm for the United States armed forces from 1911 to 1985 and was widely used in World War I, World War II, the Korean War, and the Vietnam War.

The M1911 is still carried by some U.S. forces. Its formal designation as of 1940 was Automatic Pistol, Caliber .45, M1911 for the original Model of 1911 or Automatic Pistol, Caliber .45, M1911A1 for the M1911A1, adopted in 1924.

In total, the United States procured around 2.7 million M1911 and M1911A1 pistols in military contracts during its service life. The M1911 was replaced by the M9 pistol as the standard U.S. sidearm in the early 1990s, but due to its popularity among users, it has not been completely phased out. Modern M1911 variants are still in use by some units within the U.S. Navy and U.S. Marine Corps.

Many military and law enforcement organizations in the United States and other countries continue to use (often modified) M1911A1 pistols including Marine Corps Special Operations Command, Los Angeles Police Department S.W.A.T. and L.A.P.D. S.I.S., the FBI Hostage Rescue Team, F.B.I. regional S.W.A.T. teams, and 1st Special Forces Operational Detachment—Delta (Delta Force). The Tacoma, Washington Police Department selected the Kimber Pro Carry II or Pro Carry II HD as optional, department supplied weapons available to its officers

Colt 1911

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Sig Sauer M11-A1

Two of the most watched shows on television are NCIS and NCIS: Los Angeles. The 2nd spinoff show, NCIS: LA features covert NCIS agents based out of Los Angeles investigating things that have nothing to do with NCIS and regularly getting into gunfights and leaving bodies all over LA. And each week, they’re correctly depicted using the Sig Sauer M11, the standard issue pistol for NCIS, Army CID, and a number of other special units of the US military.

The Sig Sauer M11-A1 is a commercially available version of the military sidearm; upgrading the slide to stainless steel and adding Sig’s excellent Short Reset Trigger. The Sig M11-A1 comes standard with three 15-round magazines, and SigLite night sights.

The number of thumb keys on a bassoon, not counting the whisper key. (A few bassoons have a 12th thumb key.)

In Igor Stravinsky’s The Rite of Spring, there are 11 consecutive repetitions of the same chord.

In Tool’s song Jimmy, and in Negativland’s song Time Zones the number 11 is heard numerous times in the lyrics.

“Eleven pipers piping” is the gift on the 11th day of Christmas in the carol “The Twelve Days of Christmas”

The Eleven is a song by The Grateful Dead.

Eleven Records is the record label of Jason Webley, and many of Webley’s works feature the number 11.

Three films, Ben-Hur (1959), Titanic (1997), and The Lord of the Rings: The Return of the King (2003), have each won 11 Academy Awards, including Best Picture of their respective years.

ben hur action shot

Ocean’s Eleven is the name of two American films.

The Eleventh Commandment is a feature length film by Allied Pictures Corp. (1933) adapted from the story The Pillory by Brandon Fleming.

The Eleventh Commandment (1962) is a science fiction novel by Lester del Rey (USA). In a heavily overpopulated future, the Roman Catholic Church continues to encourage people to be fruitful and multiply. But there is a scientific reason behind this apparent madness.

The number of incarnations of The Doctor in BBC sci-fi series Doctor Who is 11, as of 2012. (William Hartnell; Patrick Troughton; Jon Pertwee; Tom Baker; Peter Davison; Colin Baker; Sylvester McCoy; Paul McGann; Christopher Eccleston; David Tennant and Matt Smith)

The eleventh hour means the last possible moment to take care of something, and often implies a situation of urgent danger or emergency (see Doomsday clock).

11 days were lost when the British imposed the Gregorian calendar in 1752, decreeing that the day following September 2 be called September 14.

“Elevenses” is a tea or coffee taken at midmorning and often accompanied by a snack (British custom).

The number 11 bus is a low-cost way of sightseeing in London

In the game of blackjack, an Ace can be counted as either one or 11, whichever is more advantageous for the player.

11 is the number of the French department Aude.

11 is the channel assignment of GMA News TV in the Philippines (formerly ZOE-TV 11). Both owned by ZOE Broadcasting Network and GMA Network.

The Roman numeral for 11 is XI.

Steel wedding anniversary celebrates 11 years of marriage.

K is the 11th letter of the English alphabet .

Kaph is the 11th letter of the Hebrew alphabet, and means “grasping hand”, with a numeric value of 20.

Lambda is the 11th letter of the Greek alphabet, meaning service, with numeric value of 30

In Astrology, Aquarius is the 11th astrological sign of the Zodiac.

The dog is the 11th sign of the Chinese Animal Zodiac based on the lunar year. Dog-year people are honest, intelligent, and straightforward, with a deep sense of loyalty and justice. The previous dog year was Feb. 10, 1994 to Jan. 30, 1995. The next lunar dog year is Jan. 29, 2006 to Feb. 17, 2007. People born in the dog year include Voltaire, Winston Churchill, Mother Teresa, Chou En-lai, Sophia Loren, Elvis Presley, and Bill Clinton.

The Cologne coat of arms depicts the two-headed Imperial eagle holding sword and sceptre. The escutcheon (shield) shows three crowns (relics of the Three Magi kept in the Cologne Cathedral). The 11 black flames stand for the Patron Saint Ursula protecting the 11,000 virgins. Hans Memling (1440-1494) painted “Saint Ursula and the Holy Virgins” (1489) on wood at Saint Ursula Shrine in Bruges. Memling reduced the 11,000 virgins to a more manageable 11.

German Rhineland carnival season begins on 11.11 at 11:11 A.M. in Cologne.

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9 / 11

The twin towers of the World Trade Center in New York City looked like the number 11.

It was 110 stories tall, rising 1353 feet and was the tallest building in the world, until surpassed by Chicago’s Sears Tower (1450 feet).

WTC was built in 1966-1977 by Minoru Yamasaki.

American Airlines Flight 11 was a passenger flight which was hijacked by five al-Qaeda terrorists on September 11, 2001, as part of the September 11 attacks. They deliberately crashed it into the North Tower of the World Trade Center in New York City, killing all 87 people aboard plus the hijackers, and an unconfirmed number in the building’s impact zone. The aircraft involved, a Boeing 767-223ER, was flying American Airlines’ daily scheduled morning transcontinental service from Logan International Airport, in Boston, Massachusetts, to Los Angeles International Airport, in Los Angeles, California.

The second aircraft, a United Airlines Flight 175, a Boeing 767–222, scheduled to fly from Logan International Airport, in Boston, Massachusetts, to Los Angeles International Airport, in Los Angeles, California, hit the South Tower at 09.03.

After the World Trade Center was demolished by terrorist attack on 9/11/2001, ceremonies were held on subsequent 9/11 dates near the site showing “Tribute in Light”— twin beams of light that resemble the number 11 projected to the sky.